+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-27 21:26:26.910 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-27 21:26:27.184 1 INFO cinder.rpc [None req-d988f762-bc33-402c-8e1c-b1ff947018e9 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-27 21:26:27.186 1 INFO cinder.rpc [None req-d988f762-bc33-402c-8e1c-b1ff947018e9 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-04-27 21:26:27.188 1 INFO cinder.rpc [None req-d988f762-bc33-402c-8e1c-b1ff947018e9 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-27 21:26:27.190 1 INFO cinder.rpc [None req-d988f762-bc33-402c-8e1c-b1ff947018e9 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-04-27 21:26:27.192 1 INFO cinder.rpc [None req-d988f762-bc33-402c-8e1c-b1ff947018e9 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-27 21:26:27.195 1 INFO cinder.rpc [None req-d988f762-bc33-402c-8e1c-b1ff947018e9 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-27 21:26:27.251 1 WARNING oslo_config.cfg [None req-d988f762-bc33-402c-8e1c-b1ff947018e9 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated for removal (The auth_uri option is deprecated in favor of www_authenticate_uri and will be removed in the S  release.).  Its value may be silently ignored in the future.
2026-04-27 21:26:27.252 1 WARNING oslo_config.cfg [None req-d988f762-bc33-402c-8e1c-b1ff947018e9 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-27 21:26:27.262 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1)
2026-04-27 21:26:27.286 1 INFO cinder.backup.manager [None req-52044b52-e03d-4457-8fbf-c4d5b339e5d7 - - - - - -] Cleaning up incomplete backup operations.
2026-04-27 21:26:27.341 1 INFO cinder.keymgr.migration [None req-cda723db-01f4-4e4a-8b83-532f9eccc463 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.